diff --git a/barrOs_library.py b/barrOs_library.py
index 48b6cb2baccb1c1745c1eeb0540249835ca73617..b4086fa19a8c98ab930742846982d277e0413de2 100644
--- a/barrOs_library.py
+++ b/barrOs_library.py
@@ -2313,7 +2313,7 @@ def run_barros(arguments, offset = 1, step = 2, local_angle_threshold = 25, max_
 
     outdata = "barrels_matched_pdbs_data_job{}.fasta".format(job_number)
 
-    if os.path.ifile(outdata):
+    if os.path.isfile(outdata):
         data = json.load(open(outdata, 'r'))
 
     else: